311113222311111 has 64 divisors (see below), whose sum is σ = 470525666688000. Its totient is φ = 181121202662400.

The previous prime is 311113222311097. The next prime is 311113222311149. The reversal of 311113222311111 is 111113222311113.

It is not a de Polignac number, because 311113222311111 - 2⁹ = 311113222310599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311113222311011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2433988075 + ... + 2434115891.

It is an arithmetic number, because the mean of its divisors is an integer number (7351963542000).

Almost surely, 2^{311113222311111} is an apocalyptic number.

311113222311111 is a deficient number, since it is larger than the sum of its proper divisors (159412444376889).

311113222311111 is a wasteful number, since it uses less digits than its factorization.

311113222311111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140840.

The product of its digits is 216, while the sum is 24.

Adding to 311113222311111 its reverse (111113222311113), we get a palindrome (422226444622224).

It can be divided in two parts, 31111322 and 2311111, that added together give a palindrome (33422433).

The spelling of 311113222311111 in words is "three hundred eleven trillion, one hundred thirteen billion, two hundred twenty-two million, three hundred eleven thousand, one hundred eleven".